SIFT BEARING STORE CATALOG

32228-AFAGTapered Roller

32228-A is a FAG tapered roller bearing, bore 140 mm, O.D. 250 mm, width 68 mm, dynamic rating 650 kN. Dimensions, drawing, interchanges and price.

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Bore d140mm
Outside dia. D250mm
Width B68mm
Dynamic Cr650kN
Static C0r1000kN
Limiting speed2,600rpm
Weight14kg
Cr / C0r0.65
Mean dia. dm195mm

Original catalogue drawing - FAG Schaeffler HR 1, page 488

32228-A FAG Tapered Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D250 mmBore d140 mmWidth B68 mmCup width C58 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter1405.5118
DOutside diameter2509.8425
BInner-ring / bearing width682.6772
TOverall assembly width71.752.8248
CCup / outer-ring width582.2835

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)140
Outside dia. D (mm)250
Width B (mm)68
Overall width T (mm)71.75
Cup width C (mm)58
Inner-ring OD d1 (mm)193.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)146126
Basic static load rating Cor (lbs)224809
Basic dynamic load rating Cr (N)650000
Basic static load rating C0r (N)1e+06
Basic dynamic axial rating Ca (N)8
Fatigue limit load Cur (N)121000
Factor e0.44
Factor Y1.38
Factor Y00.76
Limiting speed nG (rpm)2,600
Reference speed nB (rpm)1,740
Effective load centre a (mm)60

Weight

Weight (kg)14.0

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)4
Shaft shoulder da (mm)159
Shaft shoulder db (mm)154
Housing shoulder Da (mm)236
Housing shoulder Db (mm)238
Housing fillet ra max (mm)4
Fillet rb max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 800 rpm
4162,5001022,117
6108,3333928,177
881,2501,02421,333
1065,0002,15444,884
1543,3338,323173,406

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 650,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.488 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
2228NSKCylindrical Roller14025068100,000 lbs13.154
NU2228ENSKCylindrical Roller14025068675 kN15.2
22228CAME4NSKSpherical Roller14025068151,000 lbs13.821
22228CDE4NSKSpherical Roller14025068145,000 lbs14.324
HR32228NSKTapered Roller14025068750 kN14.3
HR32228JNSKTapered Roller14025068137,000 lbs14.256
32228TimkenTapered Roller14025068707 kN14.33

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NJ2228-E-M1FAGCylindrical Roller14025068670 kN14.7
NJ2228-E-XL-M1FAGCylindrical Roller14025068670 kN14.7
NU2228-E-M1FAGCylindrical Roller14025068670 kN14.5
NU2228-E-XL-M1FAGCylindrical Roller14025068670 kN14.5
NUP2228-E-M1FAGCylindrical Roller14025068670 kN16.8
NUP2228-E-XL-M1FAGCylindrical Roller14025068670 kN16.8
SL182228FAGCylindrical Roller14025068720 kN14.47
22228-E1-XLFAGSpherical Roller14025068870 kN14.1

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
32228-XLFAGTapered Roller14025068760 kN14.5

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30228-AFAGTapered Roller14025042420 kN8.81
30228-XLFAGTapered Roller14025042490 kN8.8
30328FAGTapered Roller14030062590 kN20.5
30328-XLFAGTapered Roller14030062690 kN20.3
31328-XFAGTapered Roller14030070690 kN23.1
31328-X-XLFAGTapered Roller14030070830 kN23.2
32028-XFAGTapered Roller14021045340 kN5.39
32028-X-XLFAGTapered Roller14021045400 kN5.4

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